{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["manufacturing standard", "biomedical", "enabling technology", "machine or equipment", "machanical property", "application"], "input": "Then , the mechanism was validated through experiments with different welding parameters and positions ."}
{"manufacturing standard": [], "biomedical": [], "enabling technology": [], "machine or equipment": [], "machanical property": [], "application": []}